Do it. Basically, you have to try it to know if it's going to work. If it doesn't, it shouldn't really be a horrendous task to change it back...
Twinned post.
Assuming you mean in a screenplay. After your scene heading, as you are describing the scene, type SUPERIMPOSE: "Your words here". Example:...
One might argue that it's cliched to talk about an attraction to someone's eyes at all.
Separate names with a comma.